Single knob controller



FIG. 1 is a perspective view of a single knob controller showing oneembodiment of my new design.

FIG. 2 is a second perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a side view thereof.

FIG. 6 is a side view thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken line portion of the figure drawings is for illustrativepurposes only and forms no part of the claimed design.

CLAIM The ornamental design for single knob controller, as shown anddescribed.